<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>hello_react</title>
</head>
<body>
    <!-- 1.准备好一个容器 -->
    <div id="test"></div>
    <!-- 引入react核心库 -->
    <script type="text/javascript" src="../js/react.development.js"></script>
    <!-- 引入react-dom 用于支持react操作DOM -->
    <script type="text/javascript" src="../js/react-dom.development.js"></script>
    <!-- 引入babel 用于将jsx转为js -->
    <script type="text/javascript" src="../js/babel.min.js"></script>
    <!-- 一定要写babel -->
   <script type="text/babel">
      // 1. 创建类式组件
      class MyComponent extends React.Component{
        render() {
            return <h2>我是用类定义的组件(适用于【复杂组件】的定义)</h2>
        }
      }
      // 2.渲染虚拟DOM到页面
      ReactDOM.render(MyComponent,document.getElementById('test'));
    </script>
</body>
</html>